CN215719586U - Adjustable centrifugal pump - Google Patents
Adjustable centrifugal pump Download PDFInfo
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- CN215719586U CN215719586U CN202122063594.9U CN202122063594U CN215719586U CN 215719586 U CN215719586 U CN 215719586U CN 202122063594 U CN202122063594 U CN 202122063594U CN 215719586 U CN215719586 U CN 215719586U
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- impeller
- centrifugal pump
- adjustable centrifugal
- adjustable
- casing
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Abstract
The utility model relates to an adjustable centrifugal pump which comprises a shell, a rotating shaft and an impeller, wherein the impeller is connected with the rotating shaft and arranged in the shell, the rotating shaft is arranged in a shaft sleeve in a penetrating mode, the shaft sleeve is provided with an extending portion, the extending portion is provided with a mounting hole, the extending portion is connected with a base through an adjusting piece, the adjusting piece is arranged in a screw hole of the extending portion in a penetrating mode and connected with the base, the shell is provided with a through hole, the impeller and the through hole are arranged oppositely, and a gap is formed between the lower portion of the impeller and the inner wall of the shell. The adjustable centrifugal pump can adjust the gap between the impeller and the pump body, and avoid the great reduction of the working efficiency of the adjustable centrifugal pump; in addition, through threaded connection's mode, be convenient for adjust, can reduce adjustable centrifugal pump vibrations and lead to the regulating part pine to take off the risk.
Description
Technical Field
The utility model relates to a pump for conveying fluid, in particular to an adjustable centrifugal pump.
Background
The centrifugal pump is a pump for conveying a liquid by a centrifugal force generated when an impeller rotates, and operates by causing water to centrifugally move by the rotation of the impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell. The impeller is driven by a pump shaft, and the pump shaft is connected with the motor by a coupler to transmit the torque of the motor to the impeller. However, after the impeller is used for a long time, the impeller collides with impurities in water to generate abrasion, so that a gap between the impeller and the inner wall of the pump body is changed, and the efficiency of the adjustable centrifugal pump is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides an adjustable centrifugal pump which can conveniently adjust the gap between an impeller and a pump body and avoid the great reduction of the working efficiency of the adjustable centrifugal pump.
The specific technical scheme is as follows: the utility model provides a centrifugal pump with adjustable, includes the casing, pivot and impeller, and the impeller is connected with the pivot and sets up in the casing, the pivot is worn to establish in the axle sleeve, the axle sleeve is equipped with the extension, and the extension is equipped with the mounting hole, the extension passes through the regulating part with the base and is connected, the regulating part is worn to establish in the screw of extension and is connected with the base, the casing has the through-hole, and the impeller sets up with the through-hole relatively, clearance between impeller below and the shells inner wall.
Preferably, the adjusting member is connected to the base through a nut.
Preferably, the adjusting part is provided with a threaded portion, a slotted hole is formed in the threaded portion, the nut is provided with a groove, internal threads are arranged on two sides of the groove and correspond to the threaded portion, a positioning column is arranged in the middle of the groove, and the positioning column is inserted into the slotted hole.
Preferably, the adjusting member is a screw.
Preferably, the inner wall of the shell is provided with a protective layer.
As a preferred scheme, the middle part of the impeller is provided with a mounting hole, and the mounting hole is connected with the rotating shaft.
As the preferred scheme, the side surface of the impeller is provided with a diversion trench, and a plurality of diversion trenches are arranged at intervals.
Preferably, the casing is provided with an outlet, and the outlet is positioned on the side surface of the impeller and corresponds to the diversion trench.
Preferably, the housing is volute-shaped.
The utility model has the technical effects that: the adjustable centrifugal pump can adjust the gap between the impeller and the pump body, and avoid the great reduction of the working efficiency of the adjustable centrifugal pump; in addition, through threaded connection's mode, be convenient for adjust, can reduce adjustable centrifugal pump vibrations and lead to the regulating part pine to take off the risk.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a sectional view of an adjustable centrifugal pump according to an embodiment of the present invention.
Fig. 2 is a schematic view of an adjustable centrifugal pump according to an embodiment of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 4 is a schematic view of an impeller according to an embodiment of the present invention.
Fig. 5 is a cross-sectional view of an adjustment member of an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1 to 5, the adjustable centrifugal pump of the present embodiment includes a casing 1, a rotating shaft 2 and an impeller 3, wherein the impeller 3 is connected to the rotating shaft 2 and disposed in the casing 1. The rotating shaft 2 is arranged in the shaft sleeve 4 in a penetrating mode, the shaft sleeve 4 is provided with an extending portion 41, the extending portion 41 is provided with a mounting hole 42, and the extending portion 41 is connected with the base 5 through the adjusting piece 6. The adjusting member 6 is inserted into the screw hole 411 of the extending portion 41 and connected to the base 5. The casing 1 is provided with a through hole 11, the impeller 3 is arranged opposite to the through hole 11, and a gap D is formed between the lower part of the impeller 3 and the inner wall of the casing 1. Among the above-mentioned technical scheme, the pivot is rotated and is taken the impeller to rotate, and when the longer wearing and tearing of impeller live time, clearance D grow. At this moment, the adjusting piece 6 is unscrewed, so that the shaft sleeve 4 can move axially, and the shaft sleeve 4 drives the rotating shaft 2 to move, so that the gap is adjusted. Through the technical scheme, the gap between the impeller and the shell can be conveniently adjusted, so that the suction effect of the adjustable centrifugal pump is changed.
In this embodiment, the adjusting member 6 is connected to the base 5 through a nut 7, so as to facilitate locking or releasing of the adjusting member 6. The adjusting piece 6 is provided with a thread part 61, a slotted hole 62 is formed in the thread part 61, the nut 7 is provided with a groove 71, two sides of the groove 71 are provided with internal threads 72, the internal threads 72 correspond to the thread part 61, the middle part of the groove is provided with a positioning column 73, and the positioning column 73 is inserted in the slotted hole 62. Through the technical scheme, when the nut is in threaded connection with the adjusting piece 6, the positioning column 73 is inserted into the slotted hole 62, so that the risk of loosening the nut 7 and the adjusting piece 6 can be reduced when the nut is vibrated. The adjusting member 6 of the present embodiment is a screw. The inner wall of the shell 1 is provided with a protective layer 12, and the protective layer 12 is made of rubber materials, so that shell abrasion caused by impurity impact is avoided. The middle of the impeller 3 is provided with a mounting hole 31, and the mounting hole 31 is connected with the rotating shaft 2, so that the impeller 3 can be stably connected with the rotating shaft 2. The side surface of the impeller 3 is provided with a diversion trench 32, a plurality of diversion trenches 32 are arranged at intervals, and fluid flows out through the diversion trenches 32. The casing 1 is provided with an outlet 13, and the outlet 13 is located on the side surface of the impeller and is arranged corresponding to the diversion trench 32, so that the fluid can be discharged through the outlet 13. The housing is volute shaped so as to be able to direct fluid.
The adjustable centrifugal pump can adjust the gap between the impeller and the pump body, and avoid the great reduction of the working efficiency of the adjustable centrifugal pump; in addition, through threaded connection's mode, be convenient for adjust, can reduce adjustable centrifugal pump vibrations and lead to the regulating part pine to take off the risk.
The present invention is not limited to the above-described specific embodiments, and various modifications and changes can be made without departing from the scope of the claims. The present invention includes various modifications and alterations within the scope of the claims.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a centrifugal pump with adjustable, includes the casing, pivot and impeller, and the impeller is connected with the pivot and sets up in the casing, its characterized in that, the pivot is worn to establish in the axle sleeve, the axle sleeve is equipped with the extension, and the extension is equipped with the mounting hole, the extension passes through the regulating part with the base to be connected, the regulating part is worn to establish in the screw of extension and is connected with the base, the casing has the through-hole, and the impeller sets up with the through-hole relatively, and the clearance is between impeller below and the shells inner wall.
2. The adjustable centrifugal pump of claim 1, wherein said adjustment member is connected to the base by a nut.
3. The adjustable centrifugal pump according to claim 2, wherein the adjusting member has a threaded portion having a slot therein, the nut has a groove, the groove has internal threads on both sides thereof, the internal threads correspond to the threaded portion, and a positioning post is provided in the middle of the groove and is inserted into the slot.
4. Adjustable centrifugal pump according to claim 3, characterized in that the adjusting piece is a screw.
5. The adjustable centrifugal pump of claim 1, wherein the inner wall of the casing is provided with a protective coating.
6. The adjustable centrifugal pump according to claim 1, wherein the impeller is provided with a mounting hole in the middle, and the mounting hole is connected with the rotating shaft.
7. The adjustable centrifugal pump according to claim 6, wherein a guide groove is formed in the side surface of the impeller, and a plurality of guide grooves are arranged at intervals.
8. The adjustable centrifugal pump according to claim 7, wherein the casing is provided with an outlet, and the outlet is positioned on the side surface of the impeller and corresponds to the guide groove.
9. The adjustable centrifugal pump of claim 1, wherein the housing is volute shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122063594.9U CN215719586U (en) | 2021-08-30 | 2021-08-30 | Adjustable centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122063594.9U CN215719586U (en) | 2021-08-30 | 2021-08-30 | Adjustable centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215719586U true CN215719586U (en) | 2022-02-01 |
Family
ID=80009277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122063594.9U Active CN215719586U (en) | 2021-08-30 | 2021-08-30 | Adjustable centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215719586U (en) |
-
2021
- 2021-08-30 CN CN202122063594.9U patent/CN215719586U/en active Active
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